<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <title>开始使用layui</title>
    <link rel="stylesheet" href="layui/css/layui.css">
</head>
<body>

<!-- 你的HTML代码 -->

<script src="layui/layui.js"></script>
<script>

    layui.use(['layer'],function () {
        var layer = layui.layer;

        layer.msg('Hello World');
    });


</script>
</body>
</html>